JailbreakMe 3.0 is really easy to use, just one tap to jailbreak. With something easy as a web-based jailbreak, there has got to be a huge security flaw in iOS. With this flaw, this can lead to other people trying to gain root-level access to your iDevice.

Apple will patch mobile safari’s PDF flaw in ‘forthcoming’ update (DO NOT UPGRADE to iOS 4.3.4), you can secure your iDevice (iPhone/iPod Touch/iPad/iPad 2) by installingPDF Patcher 2 this will patch the PDF vulnerability that is found in JailbreakMe. It is available for free on Cydia (BigBoss Repo.) or you may download it from here (.deb).